Nancy and her friend Bree explore the fascinating world of birds and insects in their exclusive and glamorous Explorers Extraordinaire Club.

Even though Abby, the club president, is out of town, Stacy and the rest of the Cul-de-sac Kids vote to have a yard sale to raise money to buy flags for Flag Day.

Katie Woo and her friends would love to be part of Sophie's new club, but Sophie does not think they, or anyone, is good enough, so they form their own club.

Abby and Stacy build a tree house and decide not to share it with the other Cul-de-sac Kids, even if they have to form a new all-girls club to get their way.

Sixth grader Alec can't put a good book down. So when Principal Vance lays down the law -- pay attention in class, or else -- Alec takes action. He can't lose all his reading time, so he starts a club. A club he intends to be the only member of. After all, reading isn't a team sport, and no one would want to join something called the Losers Club, right? But as more and more kids find their way to Alec's club -- including his ex-friend turned bully...

Ater her spy notebook of secrets goes missing and she receives a ransom note, Kelsie tries to solve the mystery on her own but soon realizes she needs everyone in the Curious Cat Spy Club to rescue the notebook, help a homesick 130-year-old Aldabra tortoise, and unmask a thief.

Annoyed that Sister Bear always beats them at baseball and other "boy" type activities, her brother and the other male cubs try to exclude her from their new club.

The after-school science club is just starting, and Beatrice Honey Flinn, who is called Bumble B, and her best friends are joining, but when Mr. Dan separates the students into teams, Bumble B finds herself paired off with two children she does not know, Jasmine and Otto, instead of her friends--and their assignment is to make a list of all the animals, insects, plants, and rocks they find in the playground.

When Dr. Bunsen's newest invention brings extraterrestrials down to Earth, can second-graders Gabriel, Laura, and Caesar, aka the DATA, keep their town from being space invaded?

After the neighborhood basketball court is vandalized, Ziggy and his friends decide to form a club called the Black Dinosaurs and build their clubhouse in Ziggy's backyard.